Results 181 to 190 of about 1,486,514 (220)

[Brief organizational history of epidemiological surveillance at the IMSS]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Arriaga-Nieto L   +4 more
europepmc   +1 more source

[National health systems, legislation, and social determinants: a comparative study of Brazil, Spain, Portugal, and Italy]. [PDF]

open access: yesCad Saude Publica
Barbosa SP   +11 more
europepmc   +1 more source

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